/**

 * ===============================================================

 * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.

 * ===============================================================

 *

 * This file is not open source and may not be copied without explicit

 * written permission of AlliedModders LLC.  This file may not be redistributed 

 * in whole or significant part.

 * For information, see LICENSE.txt or http://www.sourcemod.net/license.php

 *

 * Version: $Id$

 */

#include "CPlayerManager.h"

#include "sm_stringutil.h"

static cell_t sm_GetClientCount(IPluginContext *pCtx, const cell_t *params)

{

	if (params[1])

	{

		return g_Players.NumPlayers();

	}

	int maxplayers = g_Players.MaxClients();

	int count = 0;

	for (int i=1; i<=maxplayers; ++i)

	{

		CPlayer *pPlayer = g_Players.GetPlayerByIndex(i);

		if ((pPlayer->IsConnected()) && !(pPlayer->IsInGame()))

		{

			count++;

		}

	}

	return (g_Players.NumPlayers() + count);

}

static cell_t sm_GetMaxClients(IPluginContext *pCtx, const cell_t *params)

{

	return g_Players.MaxClients();

}

static cell_t sm_GetClientName(IPluginContext *pCtx, const cell_t *params)

{

	int index = params[1];

	if ((index < 1) || (index > g_Players.GetMaxClients()))

	{

		return pCtx->ThrowNativeError("Invalid client index %d.", index);

	}

	CPlayer *pPlayer = g_Players.GetPlayerByIndex(index);

	if (!pPlayer->IsConnected())

	{

		return pCtx->ThrowNativeError("Client %d is not connected.", index);

	}

	pCtx->StringToLocalUTF8(params[2], static_cast<size_t>(params[3]), pPlayer->GetName(), NULL);

	return 1;

}

static cell_t sm_GetClientIP(IPluginContext *pCtx, const cell_t *params)

{

	int index = params[1];

	if ((index < 1) || (index > g_Players.GetMaxClients()))

	{

		return pCtx->ThrowNativeError("Invalid client index %d.", index);

	}

	CPlayer *pPlayer = g_Players.GetPlayerByIndex(index);

	if (!pPlayer->IsConnected())

	{

		return pCtx->ThrowNativeError("Client %d is not connected.", index);

	}

	char buf[64], *ptr;

	strcpy(buf, pPlayer->GetIPAddress());

	if (params[4] && (ptr = strchr(buf, ':')))

	{

		*ptr = '\0';

	}

	pCtx->StringToLocal(params[2], static_cast<size_t>(params[3]), buf);

	return 1;

}

static cell_t sm_GetClientAuthStr(IPluginContext *pCtx, const cell_t *params)

{

	int index = params[1];

	if ((index < 1) || (index > g_Players.GetMaxClients()))

	{

		return pCtx->ThrowNativeError("Invalid client index %d.", index);

	}

	CPlayer *pPlayer = g_Players.GetPlayerByIndex(index);

	if (!pPlayer->IsConnected())

	{

		return pCtx->ThrowNativeError("Client %d is not connected.", index);

	}

	if (!pPlayer->IsAuthorized())

	{

		return 0;

	}

	pCtx->StringToLocal(params[2], static_cast<size_t>(params[3]), pPlayer->GetAuthString());

	return 1;

}

static cell_t sm_IsPlayerConnected(IPluginContext *pCtx, const cell_t *params)

{

	int index = params[1];

	if ((index < 1) || (index > g_Players.GetMaxClients()))

	{

		return pCtx->ThrowNativeError("Invalid client index %d.", index);

	}

	return (g_Players.GetPlayerByIndex(index)->IsConnected()) ? 1 : 0;

}

static cell_t sm_IsPlayerIngame(IPluginContext *pCtx, const cell_t *params)

{

	int index = params[1];

	if ((index < 1) || (index > g_Players.GetMaxClients()))

	{

		return pCtx->ThrowNativeError("Invalid client index %d.", index);

	}

	return (g_Players.GetPlayerByIndex(index)->IsInGame()) ? 1 : 0;

}

static cell_t sm_IsPlayerAuthorized(IPluginContext *pCtx, const cell_t *params)

{

	int index = params[1];

	if ((index < 1) || (index > g_Players.GetMaxClients()))

	{

		return pCtx->ThrowNativeError("Invalid client index %d.", index);

	}

	return (g_Players.GetPlayerByIndex(index)->IsAuthorized()) ? 1 : 0;

}

static cell_t sm_IsPlayerFakeClient(IPluginContext *pCtx, const cell_t *params)

{

	int index = params[1];

	if ((index < 1) || (index > g_Players.GetMaxClients()))

	{

		return pCtx->ThrowNativeError("Invalid client index %d.", index);

	}

	CPlayer *pPlayer = g_Players.GetPlayerByIndex(index);

	if (!pPlayer->IsConnected())

	{

		return pCtx->ThrowNativeError("Client %d is not connected.", index);

	}

	return (pPlayer->IsFakeClient()) ? 1 : 0;

}

static cell_t sm_PrintToServer(IPluginContext *pCtx, const cell_t *params)

{

	char buffer[1024];

	char *fmt;

	int arg = 2;

	pCtx->LocalToString(params[1], &fmt);

	size_t res = atcprintf(buffer, sizeof(buffer)-2, fmt, pCtx, params, &arg);

	buffer[res++] = '\n';

	buffer[res] = '\0';

	META_CONPRINT(buffer);

	return 1;

}

static cell_t sm_GetClientInfo(IPluginContext *pContext, const cell_t *params)

{

	int client = params[1];

	CPlayer *pPlayer = g_Players.GetPlayerByIndex(client);

	if (!pPlayer)

	{

		return pContext->ThrowNativeError("Invalid client index %d.", client);

	}

	if (!pPlayer->IsConnected())

	{

		return pContext->ThrowNativeError("Client %d is not connected.", client);

	}

	char *key;

	pContext->LocalToString(params[2], &key);

	const char *val = engine->GetClientConVarValue(client, key);

	if (!val)

	{

		return false;

	}

	pContext->StringToLocalUTF8(params[3], params[4], val, NULL);

	return 1;

}

static cell_t sm_PrintToConsole(IPluginContext *pCtx, const cell_t *params)

{

	int index = params[1];

	if ((index < 1) || (index > g_Players.GetMaxClients()))

	{

		return pCtx->ThrowNativeError("Invalid client index %d.", index);

	}

	CPlayer *pPlayer = g_Players.GetPlayerByIndex(index);

	if (!pPlayer->IsInGame())

	{

		return pCtx->ThrowNativeError("Client %d is not in game.", index);

	}

	char buffer[1024];

	char *fmt;

	int arg = 3;

	pCtx->LocalToString(params[2], &fmt);

	size_t res = atcprintf(buffer, sizeof(buffer)-2, fmt, pCtx, params, &arg);

	buffer[res++] = '\n';

	buffer[res] = '\0';

	engine->ClientPrintf(pPlayer->GetEdict(), buffer);

	return 1;

}

REGISTER_NATIVES(playernatives)

{

	{"GetMaxClients",			sm_GetMaxClients},

	{"GetClientCount",			sm_GetClientCount},

	{"GetClientName",			sm_GetClientName},

	{"GetClientIP",				sm_GetClientIP},

	{"GetClientAuthString",		sm_GetClientAuthStr},

	{"IsPlayerConnected",		sm_IsPlayerConnected},

	{"IsPlayerInGame",			sm_IsPlayerIngame},

	{"IsPlayerAuthorized",		sm_IsPlayerAuthorized},

	{"IsPlayerFakeClient",		sm_IsPlayerFakeClient},

	{"PrintToServer",			sm_PrintToServer},

	{"PrintToConsole",			sm_PrintToConsole},

	{"GetClientInfo",			sm_GetClientInfo},

	{NULL,						NULL}

};